نتایج جستجو برای: protomonas extorquens
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A gene (gckA) responsible for the activity of glycerate kinase has been identified within a chromosomal fragment of the serine cycle methylotroph Methylobacterium extorquens AM1. A mutation in gckA leads to a specific C1-negative phenotype. The polypeptide sequence derived from gckA showed high similarity to a product of ttuD essential for tartrate metabolism in Agrobacterium vitis. Our data su...
Genomic searches were used to reconstruct the putative carotenoid biosynthesis pathway in the pink-pigmented facultative methylotroph Methylobacterium extorquens AM1. Four genes for putative phytoene desaturases were identified. A colorless mutant was obtained by transposon mutagenesis, and the insertion was shown to be in one of the putative phytoene desaturase genes. Mutations in the other th...
Methylobacterium extorquens AM1 uses dedicated cofactors for one-carbon unit conversion. Based on the sequence identities of enzymes and activity determinations, a methanofuran (MFR) analog was proposed to be involved in formaldehyde oxidation in the Alphaproteobacterium. Here, we report the structure of the cofactor, which we termed methylofuran. Using an in vitro enzyme assay and LC-MS, methy...
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